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https://issues.jboss.org/browse/TEIID-2482?page=com.atlassian.jira.plugin...
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Steven Hawkins resolved TEIID-2482.
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Resolution: Done
Updated the logic to support using the inner side of an outer join as an index for the
outer side. The logic for determining when to use an index was also improved so that the
other side does not need fully buffered.
It is also possible if the left side is fully buffered to reverse the iteration to improve
buffer utilization, but that was not yet added.
Allow the use of the enhanced join for left outer joins
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Key: TEIID-2482
URL:
https://issues.jboss.org/browse/TEIID-2482
Project: Teiid
Issue Type: Enhancement
Components: Query Engine
Reporter: Steven Hawkins
Assignee: Steven Hawkins
Fix For: 8.4
Left equi outer joins are currently only implemented using the full sort merge join and
would benefit from using the enhanced merge when the inner side is relatively small.
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